Switching Regulators
  • SC4525D
    • 18V, 3A, 350kHz Step-Down Switching Regulator
  • SC4525C
    • 28V 3A Step-Down Switching Regulator
  • SC4524D
    • 18V 2A Step-Down Switching Regulator
  • SC4524C
    • 28V 2A Step-Down Switching Regulator
  • SC427
    • 10A EcoSpeed® Integrated FET Regulator with Programmable LDO
  • SC417
    • 10A EcoSpeed® Integrated FET Regulator with Programmable LDO
  • SC410
    • 3A, 24V EcoSpeed® Step-Down Regulator with LDO and Ultrasonic Power Save
  • SC403B
    • 6A EcoSpeed® Integrated FET Regulator with Programmable LDO
Semtech SC1417B

Semtech SC1417B

MicroPower, 620 kHz PWM, Step-Up DC/DC Converter

The SC1417B is a fixed frequency, current mode step-up dc-dc converter. It operates over a wide input supply range of 1.5V to 12V, making it suitable for battery input and TFT-LCD applications.

Features


  • Operates from 1.5 V to 12 V supply voltage
  • High efficiency >85%
  • 150 mA @ 15 V from 5V input
  • Internal switch peak current of 0.9 A
  • Programmable output voltage
  • Powers up into full load
  • Pulse-by-pulse current limit/thermal shutdown
  • 620 kHz fixed-frequency current-mode converter
  • Low-current shutdown mode extends battery life
  • 18 V output capability
  • Low-battery detector
  • MSOP-8 package
  • Pin-for-pin compatible with LT1317B

Applications


  • TFT-LCD Bias supplies
  • Constant-current LED bias supplies
  • Pagers
  • GPS receivers
  • Battery backup
  • SEPIC converters

Packaging

MSOP-8

Order Codes

  • SC1417BIMSTR: Package Minimum Tape & Reel Only